问题
选择题
He smiled at me _____ my help, saying nothing at that moment.[ ]
A. in respond to
B. in response to
C. responded to
D. responding
答案
答案：B
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He smiled at me _____ my help, saying nothing at that moment.[ ]
A. in respond to
B. in response to
C. responded to
D. responding
答案：B